CN106842754A - high-contrast liquid crystal display device - Google Patents
high-contrast liquid crystal display device Download PDFInfo
- Publication number
- CN106842754A CN106842754A CN201710102544.2A CN201710102544A CN106842754A CN 106842754 A CN106842754 A CN 106842754A CN 201710102544 A CN201710102544 A CN 201710102544A CN 106842754 A CN106842754 A CN 106842754A
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- display device
- crystal display
- structure sheaf
- contrast
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
- G02F1/1396—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention proposes a kind of high-contrast liquid crystal display device, including transparent upper structure sheaf, a transparent lower structure sheaf and the liquid crystal structure layer that is held between structure sheaf and lower structure sheaf.Lower structure sheaf includes sequentially first polaroid of stacked arrangement, the first glass substrate, the first silicon dioxide layer, an ITO conducting films, second silicon dioxide layer and first alignment film.Upper structure sheaf in concrete structure stacked arrangement is sequentially symmetrical minute surface with lower structure sheaf.Liquid crystal structure layer includes sealing-in glue, twisted nematic liquid crystal, multiple sept, multiple silicon balls of dispensing with conductive bronze.The twist angle of twisted nematic liquid crystal 240 is 5~5 degree or 355~365 degree, and tilt angle is 85~95 degree.The present invention has high-contrast and high brightness, while its thickness of liquid crystal layer only has 3.0~4.0 microns, thin thickness is allowed to visible angle increase, therefore is widely used.
Description
Technical field
Device or dress the present invention relates to control intensity, color, phase, polarization or the direction of the light from arbitrary source
Put, especially a kind of liquid crystal display.
Background technology
With lcd technology development and be widely applied demand, such as using Intelligent worn device out of doors,
Traffic sign, the display of measuring apparatus are required for contrast higher, and the performance to Display Technique proposes requirement higher.
Contrast is higher, and the sharp keen degree of image is higher, and image is also more clear, and the color that display is showed is also fresher
Bright, stereovision is abundanter.
Twisted nematic liquid crystals, i.e. TN-LCD (Twisted Nematic LCD), twisted liquid crystal molecules angle are 90 degree.
Bistable twisted nematic crystal, i.e. BTN-LCD (Bistable Twist Nematic LCD), are the improvement of TN-LCD, BTN
Liquid crystal can be included respectively using at least 2 structures of stabilization or meta-stable in the case of in the absence of extra electric field, two kinds of structures
From the plane nematic structure of the consistent distortion with different torsion angles.Btn liquid crystal keeps ad hoc structure, tool because of its bistability
There is the ability of storage image, it is not necessary to which display is continuously updated with two-forty, greatly reduce the power consumption of display, it is deep to receive people
Welcome.
The highest contrast ratio of btn liquid crystal product in the market far can not meet and apply need more than 1000
Ask, its display background color understands semi-transparent light than shallower, and display effect is undesirable, and visible angle is also narrow.
For btn liquid crystal, find by literature search, China Patent Publication No. CN202267802U discloses a kind of btn liquid crystal
Prior art in, the structure includes a upper substrate, the first conductive film for being sequentially coated on the inside of upper substrate and first orientation layer,
Also include the counnter attack/anti-reflection functional layer being placed on the outside of upper substrate.The patent reduces table by improving display reflectivity in itself
Face reflectivity, makes it possess good display effect, enhances the readability of display, but it is low still not solve contrast
Problem.
China Patent Publication No. is disclosed in the prior art of another kind btn liquid crystal for CN104849933A, by new optics
The material of background color is designed and is brightened in nematic crystal, simultaneous selection driving chip drives in driven by program high voltage appearance
It is dynamic, allocate the black dyes of 0.5-3.5% into before liquid crystal display material perfusion, make liquid crystal during driving with the adjustment of voltage
Change, obtains white background high-contrast.
TN types liquid crystal is divided into NB (Normally black because of the relative position difference of upper and lower Polarizer：Normally-black state) type and
NW(Normally white：Normal bright state) type liquid crystal display.The polarity of upper and lower Polarizer is NW type liquid when being orthogonal
Crystal display, it is normal bright state in not applied voltage, and pattern is presented dark state after applied voltage；The pole of upper and lower Polarizer
Property be NB type liquid crystal displays when being parallel to each other, it is normally-black state in not applied voltage, and pattern is presented after applied voltage
Bright state.
Although above-mentioned prior art CN104849933A improves contrast, but complex procedures, increased manufacturing cost.
Importantly, the patent is only applicable to NW type liquid crystal displays, NB type liquid crystal displays are not suitable for.Therefore, prior art
Existing defects are, it is necessary to improve in the NB type liquid crystal displays for making high-contrast.
The content of the invention
The present invention proposes a kind of high-contrast liquid crystal display device, and it has super brightness, superelevation contrast, stable performance
It is reliable, solve the above not enough.
High-contrast liquid crystal display device proposed by the present invention, including transparent upper structure sheaf, one it is transparent under
Structure sheaf and the liquid crystal structure layer being held between structure sheaf and lower structure sheaf.Lower structure sheaf includes sequentially stacking
One the first polaroid, the first glass substrate, the first silicon dioxide layer, an ITO conducting films, one of arrangement
Individual second silicon dioxide layer and first alignment film, the first alignment film are formed at the lower surface of liquid crystal structure layer.Upper structure
Layer include sequentially second alignment film of stacked arrangement, the 3rd silicon dioxide layer, the 2nd ITO conducting film, one
4th silicon dioxide layer, second glass substrate and second polaroid, the second alignment film are formed at liquid crystal structure layer
Upper surface.Liquid crystal structure layer includes sealing-in glue, twisted nematic liquid crystal, multiple spreading septs, multiple silicon balls and conductive bronze,
Dispense sept to be uniformly distributed in twisted nematic liquid crystal with silicon ball, sealing-in glue is formed at around twisted nematic liquid crystal and glues
Close the first alignment film and the second alignment film.
The beneficial effects of the present invention are：
Special construction of the invention is allowed to have many excellent performances.It has high brightness and high-contrast first, right
More than 1500 can be reached than degree.Therefore, present invention is particularly well suited for use in outdoor occasion, such as in the case of solar irradiation abundance
It is not in situation about not seeing.Meanwhile, thickness of liquid crystal layer of the invention is preferably 3.0~4.0 microns, and TN is 8.0~9.0
Micron, HTN and STN is 6.0 microns, and thin thickness is allowed to visible angle increase.In addition, the present invention can easily coordinate different face
The light source of color, and form the liquid crystal display device of different colours.These excellent performances are allowed to be widely used, for example Wearable intelligence
Energy equipment, traffic sign, outdoor measuring apparatus etc..
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, and accompanying drawing is only not by material object as the schematic diagram introduced
Size mapping.It should be evident that drawings in the following description are only some embodiments of the present invention, for this area
For those of ordinary skill, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structure sheaf schematic diagram of the invention.
Fig. 2 is twisted nematic liquid crystal schematic diagram of the invention.
Fig. 2 a are that the twist angle that Fig. 2 sees from surface is -5~5 degree of schematic diagrames.
Fig. 2 b are that the twist angle that Fig. 2 sees from surface is 355~365 degree of schematic diagrames.
Fig. 3 a for when twisted nematic liquid crystal of the invention does not apply electric field light move towards schematic diagram.
Fig. 3 b are that pattern some light moves towards schematic diagram after twisted nematic liquid crystal of the invention applies electric field.
Marginal data：
Lower structure sheaf 100
First polaroid 110
First glass substrate 120
First silicon dioxide layer 130
First ITO conducting films 140
Second silicon dioxide layer 150
First alignment film 160
Liquid crystal structure layer 200
The lower surface 210 of liquid crystal structure layer
The upper surface 220 of liquid crystal structure layer
Dispense sept 230
Twisted nematic liquid crystal 240
Sealing-in glue 250
Silicon ball 260
Conductive bronze 270
Upper structure sheaf 300
Second polaroid 310
Second glass substrate 320
4th silicon dioxide layer 330
2nd ITO conducting films 340
3rd silicon dioxide layer 350
Second alignment film 360
Specific embodiment
The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
The present invention proposes a kind of high-contrast liquid crystal display device, and its concrete structure composition refer to Fig. 1.
High-contrast liquid crystal display device, including transparent 300, transparent lower structure sheaf 100 of upper structure sheaf,
And it is held on the liquid crystal structure layer 200 between structure sheaf 300 and lower structure sheaf 100.
Lower structure sheaf 100 includes 110, first glass substrate 120, of first polaroid of sequentially stacked arrangement
The second silicon dioxide layer 150 of the ITO conducting films 140, of individual first silicon dioxide layer 130, and one first match somebody with somebody
To film 160.First alignment film 160 is formed at the lower surface 210 of liquid crystal structure layer.
Upper structure sheaf 300 is symmetrical in the order of concrete structure stacked arrangement with lower structure sheaf 100, including is sequentially stacked
360, the 2nd ITO conducting film 340, the four or two of the 3rd silicon dioxide layer 350, of second alignment film of arrangement
330, second glass substrate 320 of silicon oxide layer and second polaroid 310, the second alignment film 360 are formed at liquid crystal
The upper surface 220 of structure sheaf.
Liquid crystal structure 200 thickness of layer are preferably 3 microns~4 microns, including sealing-in glue 250, twisted nematic liquid crystal 240, many
Individual spreading sept 230, multiple silicon balls 260 and conductive bronze 270, dispense sept 230 and are uniformly distributed in distortion with silicon ball 260
In nematic liquid crystal 240, sealing-in glue 250 is formed at around twisted nematic liquid crystal 240 and bonds the first alignment film 160 and second
Alignment film 360.As shown in Fig. 2, Fig. 2 a and Fig. 2 b, the twist angle of twisted nematic liquid crystal 240 is -5~5 degree or 355~365 degree,
Make to be obedient to twist angle rotation by the incident light of polaroid.In addition, the particle diameter for dispensing sept 230 is substantially identical to liquid crystal knot
The thickness of structure layer 200, conductive bronze 270 is bigger compared with the thickness of liquid crystal structure layer 200 with the particle diameter of silicon ball 260.Dispense sept
230 is to support liquid crystal structure layer 200 with the effect of silicon ball 260, it is still had the thickness of stabilization when being pressurized, can be by
Liquid crystal structure layer 200 of the fixed clamp between the first glass substrate 120 and the second glass substrate 320.
Wherein, the first glass substrate 120 and the second glass substrate 320 are Pyrex, in order to coordinate liquid crystal structure layer 200
Thickness, the thickness of the first glass substrate 120 and the second glass substrate 320 is preferably between 0.5 micron~0.7 micron.Borosilicate
Glass has relatively low coefficient of thermal expansion, preferably heat endurance, light transmittance higher, therefore realizes high-contrast as the present invention
The first-selection of function.First alignment film 160 and the second alignment film 360 are pi, and its effect makes dividing for twisted nematic liquid crystal 240
More preferably, the tilt angle provided to twisted nematic liquid crystal molecule is preferably 85~95 degree to sub- direction of rotation uniformity.First ITO is conductive
The ITO conducting films 340 of film 140 and the 2nd are indium oxide tin film, in order to prevent the sodium ion on glass substrate to twisted nematic liquid crystal
In spread, plate ITO conducting films before, plate layer of silicon dioxide layer.First ITO conducting films 140 and the 2nd ITO conducting films
340 patterns for being pre-formed with hollow out, its thickness is 300~400 angstroms.
High-contrast liquid crystal display device belongs to NB types.Its displaying principle is as follows：
Fig. 3 a and Fig. 3 b are refer to, the first polaroid 110 of the invention is parallel to each other with the polarity of the second polaroid 310
's.Twisted nematic liquid crystal molecule can sequentially rotate arrangement according to the fine groove direction of alignment film.As shown in Figure 3 a, when twisted-nematic liquid
Brilliant 240 when electric field is not applied, and incident light is by, by liquid crystal structure layer 200, incident light becomes inclined after the first polaroid 110
Light, now polarisation be twisted nematic liquid crystal 240 by twist angle rotate, when leaving twisted nematic liquid crystal 240, its polarization direction has been pressed
Twist angle is rotated, and the second polaroid 310 is consistent with the direction of the first polaroid 110, therefore light can not be passed through, electrode
Face is presented dark state.As shown in Figure 3 b, when give twisted nematic liquid crystal 240 apply an electric field, the light of each liquid crystal molecule
Axle steer is consistent with direction of an electric field, and therefore twisted nematic liquid crystal 240 loses the ability of optically-active, from the inclined of incident polaroid
Light, its polarization direction is consistent with the polarization direction of another polaroid, and light can be passed through, and therefore electrode surface is presented light
State, it is then shinny with the pattern of the hollow out of the 2nd ITO conducting films 340 to be previously formed in an ITO conducting films 140, not to torsion
The pierced pattern is then presented the state of dark when bent nematic liquid crystal applies electric field.
In use state, the present invention is needed plus backlight module, and backlight module is positioned over LCD liquid crystal displays lower floor and PCB
Circuit drives plate upper strata.Meanwhile, the present invention can easily coordinate the light source of different colours, and form the liquid crystal display of different colours
Device.
Overall structure of the invention has high brightness and high-contrast, and contrast can reach more than 1500, in solar irradiation
Also be not in situation about not seeing in the case of abundance, display effect is very good.Meanwhile, liquid crystal structure thickness degree of the invention
Preferably 3.0~4.0 microns, and TN is 8.0~9.0 microns, HTN and STN is 6.0 microns, and thin thickness is allowed to visible angle
Increase.Therefore, present invention is particularly well suited for use in outdoor occasion, such as wearable intelligent equipment, traffic sign, outdoor measurement set
It is standby etc..
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
For those of ordinary skill, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of high-contrast liquid crystal display device, including transparent upper structure sheaf (300), a transparent lower structure sheaf
(100) and be held between structure sheaf on this (100) and the lower structure sheaf (300) a liquid crystal structure layer (200), its
It is characterised by：
First polaroid (110) of the lower structure sheaf (100) including sequentially stacked arrangement, first glass substrate
(120), first silicon dioxide layer (130), ITO conducting film (140), second silicon dioxide layer (150),
And first alignment film (160), first alignment film (160) be formed at the liquid crystal structure layer (200) lower surface
(210)；
Second alignment film (360) of the structure sheaf (300) including sequentially stacked arrangement, the 3rd silicon dioxide layer on this
(350), a 2nd ITO conducting film (340), the 4th silicon dioxide layer (330), second glass substrate (320) with
And second polaroid (310), second alignment film (360) be formed at the liquid crystal structure layer (200) upper surface (220)；
Liquid crystal structure layer (200) includes sealing-in glue (250), twisted nematic liquid crystal (240), multiple sept (230), many of dispensing
Individual silicon ball (260) is uniformly distributed in the twisted-nematic with conductive bronze (270), the spreading sept (230) with the silicon ball (260)
In liquid crystal (240), the sealing-in glue (250) is formed at around the twisted nematic liquid crystal (240) and bonds first alignment film
(160) with second alignment film (360).
2. high-contrast liquid crystal display device according to claim 1, it is characterised in that：The twisted nematic liquid crystal (240)
Twist angle be -5~5 degree.
3. high-contrast liquid crystal display device according to claim 1, it is characterised in that：The twisted nematic liquid crystal (240)
Twist angle be 355~365 degree.
4. the high-contrast liquid crystal display device according to Claims 2 or 3, it is characterised in that：The twisted nematic liquid crystal
(240) tilt angle is 85~95 degree.
5. high-contrast liquid crystal display device according to claim 4, it is characterised in that：Liquid crystal structure layer (200)
Thickness is 3 microns~4 microns.
6. high-contrast liquid crystal display device according to claim 5, it is characterised in that：The spreading sept (230)
Particle diameter is substantially identical to the thickness of liquid crystal structure layer (200), and the conductive bronze (270) relatively should with the particle diameter of the silicon ball (260)
The thickness of liquid crystal structure layer (200) is bigger.
7. high-contrast liquid crystal display device according to claim 6, it is characterised in that：First glass substrate (120)
It is Pyrex with second glass substrate (320).
8. high-contrast liquid crystal display device according to claim 7, it is characterised in that：First glass substrate (120)
It it is 0.5 micron~0.7 micron with the thickness of second glass substrate (320).
9. high-contrast liquid crystal display device according to claim 8, it is characterised in that：First ITO conducting films (140)
It it is 300~400 angstroms with the thickness of the pattern that the 2nd ITO conducting films (340) are pre-formed with hollow out.
10. high-contrast liquid crystal display device according to claim 9, it is characterised in that：First alignment film (160) with
Second alignment film (360) is pi.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710102544.2A CN106842754A (en) | 2017-02-24 | 2017-02-24 | high-contrast liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710102544.2A CN106842754A (en) | 2017-02-24 | 2017-02-24 | high-contrast liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106842754A true CN106842754A (en) | 2017-06-13 |
Family
ID=59135021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710102544.2A Pending CN106842754A (en) | 2017-02-24 | 2017-02-24 | high-contrast liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106842754A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010012081A1 (en) * | 1998-08-04 | 2001-08-09 | Internationl Business Machines | Liquid crystal display having thin film alignment layer that reduces image sticking |
| CN1779528A (en) * | 2004-11-24 | 2006-05-31 | 阿尔卑斯电气株式会社 | Liquid crystal display device |
| CN101359116A (en) * | 2007-07-31 | 2009-02-04 | 斯坦雷电气株式会社 | Monochromatic liquid crystal display with high contrast ratio |
| CN101592828A (en) * | 2008-05-28 | 2009-12-02 | 比亚迪股份有限公司 | The LCD manufacture method |
| CN105242418A (en) * | 2015-10-30 | 2016-01-13 | 唐楷 | Anti-dazzling mirror sheet and manufacturing method thereof |
-
2017
- 2017-02-24 CN CN201710102544.2A patent/CN106842754A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010012081A1 (en) * | 1998-08-04 | 2001-08-09 | Internationl Business Machines | Liquid crystal display having thin film alignment layer that reduces image sticking |
| CN1779528A (en) * | 2004-11-24 | 2006-05-31 | 阿尔卑斯电气株式会社 | Liquid crystal display device |
| CN101359116A (en) * | 2007-07-31 | 2009-02-04 | 斯坦雷电气株式会社 | Monochromatic liquid crystal display with high contrast ratio |
| CN101592828A (en) * | 2008-05-28 | 2009-12-02 | 比亚迪股份有限公司 | The LCD manufacture method |
| CN105242418A (en) * | 2015-10-30 | 2016-01-13 | 唐楷 | Anti-dazzling mirror sheet and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101526702B (en) | Visual angle controllable liquid crystal display device and driving method thereof | |
| CN201867584U (en) | Mask | |
| CN109643040A (en) | Light adjusting system, the driving method of light modulation film, vehicle | |
| CN102830547A (en) | Optical compensation film and manufacturing method thereof, liquid crystal display panel, and liquid crystal display device | |
| CN104297997B (en) | Liquid crystal display panel, and display method and display device thereof | |
| US20140043572A1 (en) | Liquid Crystal Display Panel And Liquid Crystal Display Device | |
| CN101852942B (en) | Total-reflection liquid crystal display | |
| US20130329151A1 (en) | Liquid crystal panel, manufacturing process and display device thereof | |
| CN102466914B (en) | Smectic state liquid crystal color display | |
| CN100440002C (en) | Liquid crystal display element | |
| CN105785657A (en) | All-viewing-angle blind-zone-free liquid crystal display | |
| JP4968262B2 (en) | Liquid crystal display element and electronic paper using the same | |
| CN106597764A (en) | Liquid crystal panel and liquid crystal display device | |
| CN205563023U (en) | Polymer dispersed liquid crystal device | |
| CN106842705A (en) | High contrast liquid crystal display and electronic installation | |
| CN106125406B (en) | Vertical alignment liquid crystal display with narrow viewing angle display | |
| CN106842754A (en) | high-contrast liquid crystal display device | |
| JP4605978B2 (en) | Manufacturing method of liquid crystal display device | |
| JPS60189730A (en) | Liquid crystal display device | |
| JPH07199205A (en) | Liquid crystal display element | |
| JP3399463B2 (en) | Color liquid crystal display device | |
| CN202433642U (en) | Passive drive liquid crystal display | |
| CN202494842U (en) | Perpendicular-orientation pi box liquid crystal display | |
| CN220752470U (en) | Polarizer assembly for transparent display and display device | |
| CN102540577A (en) | Vertically-aligned pi-box liquid crystal display |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170613 |
|
| RJ01 | Rejection of invention patent application after publication |